JEE · NEET Previous Year Question
Which of the following statements are correct?
I. Binding of inhibitor at allosteric site changes the shape of the active site.
II. Shape of the receptor does not change after attachment of chemical messenger to it.
III. A chemical messenger gives message to the cell by entering it.
IV. Erythromycin is an example of bacteriostatic antibiotic.
Topic: JEE PYQ
Answer: C. Full step-by-step solution below.
- AI, II
- BII, III
- CI, IV
- DIII, IV
Correct answer: C
Solution
(c)(I) Binding of inhibitor at allosteric site changes the shape of the active site so that substrate cannot recognise it.
(IV) Erythromycin is a bacteriostatic antibiotic.